Centos7安装CDH6.3.2 1. 安装包
1.1 CM
archive.cloudera/cm6/6.3.1/repo-as-tarball/cm6.3.d5
archive.cloudera/cm6/6.3.1/allkeys.asc
1.2 CDH
archive.cloudera/cdh6/6.3.2/parcels/CDH-6.3.2-1.cdh6.3.2.p0.1605554-el7.parcel
archive.cloudera/cdh6/6.3.2/parcels/CDH-6.3.2-1.cdh6.3.2.p0.1605554-el7.parcel.sha1
archive.cloudera/cdh6/6.3.2/parcels/CDH-6.3.2-1.cdh6.3.2.p0.1605554-el7.parcel.sha256
archive.cloudera/cdh6/6.3.2/parcels/manifest.json
2. 服务器配置
2.1 hosts配置
127.0.0.1  localhost localhost
192.168.5.246  dev-node01
192.168.5.247  dev-node02
192.168.5.248  dev-node03
2.2 关闭iptables、firewalld、selinux
2.3 免密登录（主节点到所有节点，secondnode同样要求）
2.4 对时ntpd
2.5 关闭swap、禁⽤透明页，写⼊/etc/profile
echo 0 >  /proc/sys/vm/swappiness
echo never > /sys/kernel/mm/transparent_hugepage/enabled
echo never > /sys/kernel/mm/transparent_hugepage/defrag
swapoff -a
2.6 安装jdk1.8
2.7 下载mysql-jdbc包
mkdir /usr/share/java/
wget /maven2/mysql/mysql-connector-java/8.0.16/mysql-connector-java-8.0.16.jar
mv mysql-connector-java-8.0.16.jar mysql-connector-java.jar
2.8 mysql 数据库创建
create database cmserver default charset utf8 collate utf8_general_ci;
grant all on cmserver.* to 'cmserveruser'@'%' identified by 'root';
create database hive default charset utf8 collate utf8_general_ci;
grant all on hive.* to 'hiveuser'@'%' identified by 'root';
create database amon default charset utf8 collate utf8_general_ci;
grant all on amon.* to 'amonuser'@'%' identified by 'root';
create database rman default charset utf8 collate utf8_general_ci;
grant all on rman.* to 'rmanuser'@'%' identified by 'root';
create database oozie default charset utf8 collate utf8_general_ci;
grant all on oozie.* to 'oozieuser'@'%' identified by 'root';
create database hue default charset utf8 collate utf8_general_ci;
grant all on hue.* to 'hueuser'@'%' identified by 'root';
2.9 安装httpd服务
centos vim命令yum install httpd
systemctl start httpd
systemctl enable httpd.service
3. CM安装
3.1 配置本地yum源
mkdir -p /var/www/html/cloudera-repos/
tar -xzvf cm6.3. -C /var/www/html/cloudera-repos/
wget archive.cloudera/cm6/6.3.1/allkeys.asc
vim /pos.po
[cloudera-manager]
name = Cloudera Manager, Version cm6.3.1
baseurl = dev-node01/cloudera-repos/cm6.3.1
gpgcheck = 1
yum clean all
yum makecache
rpm --import dev-node01/cloudera-repos/cm6.3.1/RPM-GPG-KEY-cloudera
3.2 安装cm
yum install cloudera-manager-daemons cloudera-manager-agent cloudera-manager-server
# ⽣成sha
sha1sum CDH-6.3.2-1.cdh6.3.2.p0.1605554-el7.parcel | awk '{print $1}' > CDH-6.3.2-1.cdh6.3.2.p0.1605554-el7.parcel.sha
3.3 配置cm
# 初始化数据库
/opt/cloudera/cm/schema/scm_prepare_database.sh  mysql -h192.168.5.231 -P3306 cmserver cmserveruser root
# 启动cm
systemctl restart cloudera-scm-server
3.4 web安装步骤（admin/admin）
4. FAQ
4.1  fail to format namenode
问题原因
是由于之前初始化 namenode 在 /dfs/nn 留下了残留数据（失效数据），从⽽影响再次初始化解决⽅法
namenode节点：
rm -rf /dfs/nn
datanode节点：
rm -rf /dfs/dn
4.2 主机运⾏状况不良
rm -f /var/lib/cloudera-scm-agent/cm_guid
systemctl restart cloudera-scm-agent

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